Home / 70,867.10-97,796.58-39,036

Finding the Fourth Proportional to 70,867.10, 97,796.58 and 39,036

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Solution

The fourth proportional to 70,867.10, 97,796.58 and 39,036 is: 53,869.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,867.10 : 97,796.58 = 39,036 : x
  2. Step 2: Convert to fraction form
    70,867.10/97,796.58 = 39,036/x
  3. Step 3: Cross multiply
    70,867.10x = 97,796.58 × 39,036
  4. Step 4: Simplify right side
    70,867.10x = 3,817,587,296.88
  5. Step 5: Solve for x
    x = 3,817,587,296.88/70,867.10
  6. Step 6: Final answer
    x = 53,869.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.